Folding knife



FIG. 1 is a perspective view of a folding knife showing our new design, with the blade of the knife in an open position.

FIG. 2 is a perspective view of the folding knife with the blade in the closed position.

FIG. 3 is a right side elevational view thereof.

FIG. 4 is a left side elevational view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front elevational view thereof.

Shading lines shown in the drawings are intended to represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration. Features not shown in the drawings, or features depicted in broken lines, form no part of the claimed design. 

The ornamental design for a folding knife, substantially as shown and described. 